Norms refer to the shared expectations of behavior that are considered normal in a society. They include unwritten codes of ethics and rules that guide how people should behave. Mores are customs and routines that members of a society believe are necessary for its existence, including both positive behaviors that are prescribed and negative taboos. Laws are formal rules and punishments established by a society to maintain order and protect individuals and property. Values are basic beliefs that motivate people's attitudes and actions and help determine what is important to them.